71887900023 has 12 divisors (see below), whose sum is σ = 103881501360. Its totient is φ = 47905225056.

The previous prime is 71887900013. The next prime is 71887900081. The reversal of 71887900023 is 32000978817.

It is not a de Polignac number, because 71887900023 - 2⁶ = 71887899959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71887900003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1647403 + ... + 1690476.

It is an arithmetic number, because the mean of its divisors is an integer number (8656791780).

Almost surely, 2^71887900023 is an apocalyptic number.

71887900023 is a deficient number, since it is larger than the sum of its proper divisors (31993601337).

71887900023 is a wasteful number, since it uses less digits than its factorization.

71887900023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340278 (or 3340275 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 71887900023 in words is "seventy-one billion, eight hundred eighty-seven million, nine hundred thousand, twenty-three".